public async Task <IEnumerable <Automobile> > GetAutomobilesForCustomerAsync(int theCustomerId)
{
// get location ids for customer
var aLocations = await _locationRepository.GetLocationsForCustomerAsync(theCustomerId);
if (aLocations == null)
{
return(Enumerable.Empty <Automobile>());
}
// get automobiles for all customer locations
return(await _autoRepository.GetAutomobilesForLocationsAsync(aLocations.Select(aItem => aItem.Id)));
}
